The hottest nightclub in this factory town is a neon-encrusted dive down the road from the industrial park where iPhones are made 24 hours a day. Tucked behind an open construction site, “Through the Summer,” as the nightspot is known, had it all on a recent Saturday night — plastic whistles, fruit plates, a toddler with a mohawk, counterfeit light sabers and a bawdy comedian who imbibed beer through his nose.